WO2017000269A1 - 一种数据传输方法及装置 - Google Patents

一种数据传输方法及装置 Download PDF

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Publication number
WO2017000269A1
WO2017000269A1 PCT/CN2015/083013 CN2015083013W WO2017000269A1 WO 2017000269 A1 WO2017000269 A1 WO 2017000269A1 CN 2015083013 W CN2015083013 W CN 2015083013W WO 2017000269 A1 WO2017000269 A1 WO 2017000269A1
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WO
WIPO (PCT)
Prior art keywords
transmission
precoding
subbands
transmission subbands
signal
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PCT/CN2015/083013
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English (en)
French (fr)
Inventor
刘建琴
曲秉玉
张健
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP15896800.8A priority Critical patent/EP3300439B1/en
Priority to PCT/CN2015/083013 priority patent/WO2017000269A1/zh
Priority to CN201580042911.3A priority patent/CN106664683B/zh
Publication of WO2017000269A1 publication Critical patent/WO2017000269A1/zh
Priority to US15/837,816 priority patent/US20180103483A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/008—Timing of allocation once only, on installation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data transmission method and apparatus.
  • the high frequency band will lead to greater path loss under the same propagation distance, especially the influence of factors such as atmosphere and vegetation further aggravate the loss of wireless propagation. Therefore, in order to compensate for the path loss caused by the high frequency band, to ensure that the two communication devices with relatively long distance can still realize communication, an alternative way is to provide higher antenna gain for the high frequency band.
  • the analog beam in the high frequency band is much narrower than the low frequency. Since each high-frequency analog narrow beam can only cover some users in the cell, in order to ensure that each user in the cell can receive the signal of the common channel, multiple analog beam time-division transmission methods can be used to complete all the cells in the cell. User coverage. When the user moves to cause the required analog beam change, the continuity and stability of the connection are poor.
  • the embodiment of the invention provides a data transmission method and device, which are used to solve the technical problem that the high-frequency frequency band used in the prior art is poor in data transmission reliability due to the narrow high-frequency analog beam.
  • a first aspect of the present invention provides a data transmission method, including:
  • the determining, by the user equipment UE, the S transmission subbands includes:
  • S transmitting subbands are determined for the UE based on pre-defined information, the pre-defined information being cell-specific or user-specific.
  • the data channel signals respectively transmitted on the at least two transmission subbands correspond to the same hybrid automatic repeat request HARQ process and the same transmission mode.
  • the S transmissions After the reference signal is sent separately the method further includes:
  • At least one of a reference signal, a synchronization signal, a broadcast channel BCH signal, and a control channel signal is transmitted on the at least two transmission subbands, respectively.
  • the configurations of the reference signals respectively transmitted on the at least two transmission subbands are the same.
  • the method further includes:
  • each set of signals includes a reference signal, a synchronization signal, a system information block SIB, and a common control channel Searching for at least one of the interval CSS signals.
  • the method further includes:
  • the indication information is used to indicate that another at least one of the S transmission subbands is used as an additional transmission subband for transmitting the CSS signal.
  • Each of the at least two transmission subbands is associated with one precoding, and at the first moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group, at the second moment
  • the precoding associated with each of the transmission subbands is precoding in a second precoding group; wherein precoding in the first precoding group and precoding in the second precoding group are incomplete the same.
  • determining S for the user equipment UE After transmitting the sub-bands the method further includes:
  • a second aspect of the present invention provides a data transmission method, including:
  • the user equipment UE receives the reference signal on the S transmission subbands respectively; wherein the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2;
  • the UE selects at least two transmission subbands of the M transmission subbands according to a result of channel quality measurement
  • the UE accesses on the at least two transmission subbands
  • the UE transmits a data channel signal on the at least two transmission subbands.
  • the method before the user equipment UE receives a reference signal on the S transmission subbands, the method further includes:
  • Determining the S transmission subbands according to pre-defined information the pre-defined information being cell-specific or user-specific; or
  • configuration information of the S transmission subbands and determining the S transmission subbands based on the configuration information; wherein the configuration information is cell specific or user specific.
  • the data channel signal sent by the UE on the at least two transmission subbands corresponds to the same hybrid automatic repeat request HARQ process and the same Transfer mode.
  • the method further includes:
  • the UE receives at least one of a reference signal, a synchronization signal, a broadcast channel BCH signal, and a control channel signal on the at least two transmission subbands, respectively.
  • the configuration of the reference signals respectively received by the UE on the at least two transmission subbands is the same.
  • the method further includes:
  • the UE simultaneously receives at least one set of signals transmitted by at least one different analog beam on a common transmission subband; each set of signals includes a reference signal, a synchronization signal, a system information block SIB, and a common search interval CSS signal of the control channel. At least one signal; wherein the common transmission subband is one of the at least two transmission subbands.
  • the method further Includes:
  • the UE receives indication information on the common transmission subband; the indication information is used to indicate that another at least one of the S transmission subbands is used as an additional transmission for transmitting the CSS signal Subband.
  • Each of the at least two transmission subbands is associated with one precoding, and at the first moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group, and at the second moment, The precoding associated with each of the transmission subbands is precoding in a second precoding group; wherein precoding in the first precoding group and precoding in the second precoding group are not identical .
  • a third aspect of the present invention provides a method for transmitting downlink control information, including:
  • a fourth aspect of the present invention provides a data transmission apparatus, including:
  • a processing unit configured to determine S transmission subbands for the user equipment UE, where the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2;
  • a sending unit configured to separately send reference signals on the S transmission subbands, so that the UE selects channel quality based on reference signals on M transmission subbands of the S transmission subbands to select At least two of the M transmission subbands transmit subbands and respectively access the at least two transmission subbands; M is an integer greater than or equal to 2 and less than or equal to S; Data channel signals are respectively transmitted to the UE on the two transmission subbands.
  • the processing unit is configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is a cell. Specific or user specific.
  • the data channel signals respectively sent by the sending unit on the at least two transmission subbands correspond to the same hybrid automatic repeat request HARQ process and The same transfer mode.
  • the sending unit is further configured to: After transmitting the reference signals on the S transmission subbands, respectively, transmitting at least one of a reference signal, a synchronization signal, a broadcast channel BCH signal, and a control channel signal on the at least two transmission subbands.
  • the configuration of the reference signals respectively sent by the sending unit on the at least two transmission subbands is the same.
  • the processing unit is further configured to: After the transmitting unit separately transmits the reference signals on the S transmission subbands, determining one transmission subband in the at least two transmission subbands as a common transmission subband;
  • the sending unit is further configured to: simultaneously transmit at least one set of signals on the common transmission subband by using at least one different analog beam; each set of signals includes a reference signal, a synchronization signal, a system information block SIB, and a common search of the control channel. At least one of the interval CSS signals.
  • the sending unit is further configured to: send the indication information on the common transmission subband; the indication The information is used to indicate that the other at least one of the S transmission subbands is used as an additional transmission subband for transmitting the CSS signal.
  • Each of the at least two transmission subbands is associated with one precoding, and at the first moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group, and at the second moment, Precoding associated with each transmission subband is precoding in a second precoding group; wherein the first precoding The precoding in the code group and the precoding in the second precoding group are not exactly the same.
  • the method unit is further configured to: after the processing unit determines the S transmission subbands for the user equipment UE, send the configuration information of the S transmission subbands to the UE, so that the UE determines according to the configuration information.
  • a fifth aspect of the present invention provides a data transmission apparatus, including:
  • a receiving unit configured to receive reference signals respectively on the S transmission subbands; wherein, the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2;
  • a processing unit configured to perform channel quality measurement on a reference signal on the M transmission subbands in the S transmission subbands; and select at least two of the M transmission subbands according to a result of the channel quality measurement Controlling the user equipment UE to access on the at least two transmission subbands;
  • a sending unit configured to send a data channel signal on the at least two transmission subbands.
  • the processing unit is further configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is a cell specific Or user-specific; or,
  • the receiving unit is further configured to: receive configuration information of the S transmission subbands; the processing unit is further configured to determine the S transmission subbands based on the configuration information; where the configuration information is cell specific Or user specific.
  • the data channel signal sent by the sending unit on the at least two transmission subbands corresponds to the same hybrid automatic repeat request HARQ process and the same Transmission mode.
  • the receiving unit is further used After the processing unit controls the UE to access on the at least two transmission subbands, respectively receive a reference signal, a synchronization signal, a broadcast channel BCH signal, and a control channel on the at least two transmission subbands. At least one of the signals.
  • the configuration of the reference signals respectively received by the receiving unit on the at least two transmission subbands is the same.
  • the receiving unit is further used After the processing unit controls the UE to access on the at least two transmission subbands, simultaneously receive at least one set of signals transmitted through at least one different analog beam on the common transmission subband; each set of signals At least one of a reference signal, a synchronization signal, a system information block SIB, and a common search interval CSS signal of a control channel; wherein the common transmission subband is one of the at least two transmission subbands.
  • the receiving unit is further configured to: receive indication information on the common transmission subband; The information is used to indicate that the other at least one of the S transmission subbands is used as an additional transmission subband for transmitting the CSS signal.
  • Each of the at least two transmission subbands is associated with one precoding, and at the first moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group, and at the second moment, The precoding associated with each of the transmission subbands is precoding in a second precoding group; wherein precoding in the first precoding group and precoding in the second precoding group are not identical .
  • a sixth aspect of the present invention provides a device for transmitting downlink control information, including:
  • a processing unit configured to obtain first downlink control information and second downlink control information
  • a sending unit configured to send the first downlink control information on a physical downlink control channel PDCCH by using a first precoding at a first moment; and using a second precoding at the first moment, in an enhanced physical downlink Transmitting the second downlink control information on the control channel EPDCCH; wherein the first precoding and the second precoding are different.
  • a seventh aspect of the present invention provides a network side device, including:
  • a processor configured to determine S transmission subbands for the user equipment UE, where the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2;
  • a transmitter configured to separately transmit reference signals on the S transmission subbands, so that the UE selects channel quality measurements based on reference signals on M transmission subbands of the S transmission subbands to select At least two of the M transmission subbands transmit subbands and respectively access the at least two transmission subbands; M is an integer greater than or equal to 2 and less than or equal to S; Data channel signals are respectively transmitted to the UE on the two transmission subbands.
  • the processor is configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is cell specific Or user specific.
  • the data channel signals respectively sent by the transmitter on the at least two transmission subbands correspond to the same hybrid automatic repeat request HARQ process and The same transfer mode.
  • the transmitter is further used to After transmitting the reference signals on the S transmission subbands, respectively, transmitting at least one of a reference signal, a synchronization signal, a broadcast channel BCH signal, and a control channel signal on the at least two transmission subbands.
  • the configuration of the reference signals respectively sent by the transmitter on the at least two transmission subbands is the same.
  • the processor is further used to After the transmitter separately transmits the reference signals on the S transmission subbands, determining one transmission subband among the at least two transmission subbands as a common transmission subband;
  • the transmitter is further configured to: simultaneously transmit at least one set of signals on the common transmission subband by using at least one different analog beam; each set of signals includes a reference signal, a synchronization signal, and a system information block. SIB, at least one of the common search interval CSS signals of the control channel.
  • the transmitter is further configured to: send indication information on the common transmission subband; The information is used to indicate that the other at least one of the S transmission subbands is used as an additional transmission subband for transmitting the CSS signal.
  • each of the at least two transmission subbands is associated with one precoding, and at the first moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group, and at the second moment, The precoding associated with each of the transmission subbands is precoding in the second precoding group; wherein the precoding in the first precoding group and the precoding in the second precoding group are not identical.
  • the transmitter is further configured to: after the determining, by the processor, the S transmission subbands for the user equipment UE, send configuration information of the S transmission subbands to the UE, so that the UE determines, according to the configuration information, The S transmission subbands; wherein the configuration information is cell specific or user specific.
  • An eighth aspect of the present invention provides a user equipment, including:
  • a receiver configured to receive reference signals respectively on the S transmission subbands; wherein, the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2;
  • a processor configured to perform channel quality measurement on a reference signal on the M transmission subbands in the S transmission subbands; and select at least two of the M transmission subbands according to a result of the channel quality measurement Controlling the user equipment to access on the at least two transmission subbands;
  • a transmitter configured to send a data channel signal on the at least two transmission subbands.
  • the processor is further configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is a cell specific Or user-specific; or,
  • the receiver is further configured to: receive configuration information of the S transmission subbands; And determining to determine the S transmission subbands based on the configuration information; wherein the configuration information is cell specific or user specific.
  • the data channel signal sent by the transmitter on the at least two transmission subbands corresponds to the same hybrid automatic repeat request HARQ process and the same Transmission mode.
  • the receiver is further used to After receiving the access by the user equipment on the at least two transmission subbands, respectively receiving at least two of a reference signal, a synchronization signal, a broadcast channel BCH signal, and a control channel signal on the at least two transmission subbands One.
  • the configuration of the reference signals respectively received by the receiver on the at least two transmission subbands is the same.
  • the receiver is further used to After receiving the user equipment on the at least two transmission subbands, simultaneously receiving at least one set of signals transmitted by the at least one different analog beam on the common transmission subband; each set of signals includes a reference signal, At least one of a synchronization signal, a system information block SIB, and a common search interval CSS signal of the control channel; wherein the common transmission subband is one of the at least two transmission subbands.
  • the receiver is further configured to: receive indication information on the common transmission subband; The information is used to indicate that the other at least one of the S transmission subbands is used as an additional transmission subband for transmitting the CSS signal.
  • the at least two transmissions Each transmission subband in the band is associated with a precoding, and at the first moment, each of the transmission subbands The associated precoding is precoding in the first precoding group, and at the second moment, the precoding associated with each of the transmission subbands is precoding in the second precoding group; wherein the first precoding The precoding in the group and the precoding in the second precoding group are not identical.
  • a ninth aspect of the present invention provides a network side device, including:
  • a processor configured to obtain first downlink control information and second downlink control information
  • a transmitter configured to send the first downlink control information on a physical downlink control channel PDCCH by using a first precoding at a first moment; and using a second precoding at the first moment, in an enhanced physical downlink Transmitting the second downlink control information on the control channel EPDCCH; wherein the first precoding and the second precoding are different.
  • the entire system bandwidth is disassembled into a plurality of transmission sub-bands that do not overlap each other, and the UE accesses at least two transmission sub-bands, and then the UE and the network device can simultaneously transmit at least two when transmitting signals. Transfer on the subband. Therefore, the method in the embodiment of the present invention can enhance the reliability of the UE connection.
  • the bandwidth of the entire high frequency band can be disassembled into a plurality of transmission subbands that do not overlap each other, and the UE simultaneously accesses at least two transmission subbands.
  • the method in the embodiment of the present invention improves the reliability of UE connection and data transmission in a scenario where the high frequency coverage is limited, and reduces the connection caused by the user's movement and channel change at a high frequency through the multi-connection diversity transmission. Probability of failure. Further, the practicality of applying the high frequency band to cellular communication is increased.
  • FIG. 1 is a flowchart of a data transmission method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another data transmission method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for transmitting downlink control information according to an embodiment of the present disclosure
  • FIG. 4 is a functional block diagram of a data transmission apparatus according to an embodiment of the present invention.
  • FIG. 5 is a functional block diagram of another data transmission apparatus according to an embodiment of the present invention.
  • FIG. 6 is a functional block diagram of a downlink control information transmission apparatus according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a network side device according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 9 is a structural block diagram of another network side device according to an embodiment of the present invention.
  • the embodiment of the invention provides a data transmission method and device, which are used to solve the technical problem that the high frequency band in the prior art is used for cellular communication due to narrow beam and poor reliability.
  • the entire system bandwidth is divided into a plurality of transmission subbands that do not overlap each other, and the UE accesses at least two transmission subbands.
  • at least two connections are simultaneously maintained between the UE and the network side device to improve the reliability of data transmission.
  • FIG. 1 is a flowchart of a data transmission method according to an embodiment of the present invention.
  • the network side device is, for example, a base station.
  • a base station herein may refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
  • the base station can be used to convert the received air frame to an Internet Protocol (IP) packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an IP network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station can be Global Mobile Communication (English: Global System of Mobile communication; GSM) or Code Division Multiple Access (CDMA: Base Transceiver Station; BTS) It can be a base station (English: NodeB; NB for short) in Wideband Code Division Multiple Access (WCDMA), or it can be long term evolution (English: Long Term Evolution; LTE for short).
  • the evolved base station (English: Evolutional Node B; referred to as: eNB or eNodeB), or a relay station or an access point, or a base station in a future 5G network, etc., is not limited by the present invention.
  • the method includes:
  • Step 101 Determine S transmission subbands for the user equipment, where the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2;
  • Step 102 respectively transmit a reference signal on the S transmission subbands, so that the user equipment selects the channel quality measurement based on a reference signal on the M transmission subbands in the S transmission subbands.
  • At least two of the M transmission subbands transmit subbands and respectively access the at least two transmission subbands;
  • M is an integer greater than or equal to 2 and less than or equal to S;
  • Step 103 Send a data channel signal to the user equipment on the at least two transmission subbands.
  • the user equipment mentioned in this document may be a wireless terminal or a wired terminal, and the wireless terminal may be a device that provides voice and/or other service data connectivity to the user, a handheld device with wireless connection function, or is connected to the wireless device. Other processing devices for the modem.
  • the wireless terminal can communicate with one or more core networks via a radio access network (English: Radio Access Network; RAN for short), and the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) and has
  • the computer of the mobile terminal for example, may be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with the wireless access network.
  • Wireless terminal It can be called a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, a Remote Terminal, and an Access Terminal. Access Terminal), User Terminal, User Agent, User Device or User Equipment.
  • PCS Personal Communication Service
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the UE will be referred to hereinafter as referring to the user equipment herein.
  • the system bandwidth is divided into N transmission subbands according to the protocol agreement or preset, and the N transmission subbands do not overlap each other.
  • N is an integer greater than or equal to S.
  • the bandwidth of the two transmission subbands may be the same or different. For example, assuming a system bandwidth of 1 GHz, the system bandwidth can be split into five 200 MHz transmission subbands. Of course, the entire bandwidth can also be split into three 200 MHz transmission subbands, one 300 MHz transmission subband, and one 100 MHz transmission subband.
  • the S transmission subbands in step 101 are all or a part of the N transmission subbands, so the S transmission subbands do not overlap each other, and the bandwidths of the S transmission subbands may be the same. , can also be different.
  • a possible implementation manner for determining the S transmission subbands for the UE is to determine S transmission subbands for the UE according to the predefined information.
  • the pre-defined information is cell-specific information or user-specific information.
  • the cell-specific meaning is: information about the transmission sub-band, for example, the information such as the bandwidth, number, and number of the transmission sub-band is cell-level. In other words, the information about the transmission subbands obtained by different UEs of the same cell is the same.
  • the user-specific meaning is: information about the transmission subband, such as the bandwidth, number, number, etc. of the transmission subband is user level. In other words, different UEs have independent information about the transmission subband.
  • the S transmission subbands may be determined for the UE by other methods, which are not specifically limited in the present invention.
  • the method further includes: notifying or transmitting configuration information of the S transmission subbands to the UE.
  • the configuration information of the S transmission subbands is cell-specific or user-specific. Specifically, a form of transmitting information of the S transmission subbands to the UE is as shown in Table 1 below.
  • the value unit of the system bandwidth or the bandwidth configuration of the transmission subband in Table 1 is a resource block (English: Resource Block, RB for short).
  • RB Resource Block
  • the cell-specific system bandwidth determined by UE0 is configured to be 0, so that the bandwidth configuration of the corresponding user-specific transmission sub-band may be 2000 RBs, 200 RBs, 100 RBs, and 50 RBs, 20 RB, one of 10 RBs.
  • the network device sends the cell-specific system bandwidth configuration index value and the corresponding user-specific transmission sub-band configuration index value to the user equipment.
  • the network device when the index value of the user-specific transmission sub-band configuration of UE0 is 2, the network device only needs to send the cell-specific system bandwidth configuration index value 0 and the user-specific transmission sub-band configuration index value 2 to the UE0.
  • the index value to be sent may be (0, 2), or may be other modes, which are not limited herein.
  • step 102 is performed, that is, respectively, the reference signals are sent on the S transmission subbands, so that the UE is based on the M of the S transmission subbands.
  • Channel quality measurement of the reference signal on the transmission subband selecting at least two of the M transmission subbands, and respectively accessing the at least two transmission subbands.
  • the reference signal may be an X-type reference signal (English: X-type Reference Signal, referred to as: XRS).
  • XRS X-type Reference Signal
  • the XRS may be a cell-specific reference signal in the current Long Term Evolution (LTE) system. Weigh: CRS) or other user-specific reference signals.
  • the user-specific reference signal is, for example, Channel State Information-Reference Signal (CSI-RS) or DeModulation Reference Signal (DMRS).
  • CSI-RS Channel State Information-Reference Signal
  • DMRS DeModulation Reference Signal
  • step 102 The implementation process of step 102 will be described below in conjunction with the data transmission method flow on the UE side.
  • FIG. 2 is a flowchart of a data transmission method on the UE side according to an embodiment of the present invention.
  • the method includes:
  • Step 201 The UE separately receives reference signals on the S transmission subbands.
  • Step 202 The UE performs channel quality measurement on a reference signal on M transmission subbands in the S transmission subbands.
  • Step 203 The UE selects at least two transmission subbands of the M transmission subbands according to a result of channel quality measurement.
  • Step 204 The UE performs access on the at least two transmission subbands.
  • Step 205 The UE sends a data channel signal on the at least two transmission subbands.
  • step 201 that is, respectively receiving reference signals on the S transmission sub-bands.
  • the reference signals respectively received on each of the S transmission subbands may be one or a group, depending on the reference signal transmitted on each transmission subband in step 102. Is it one or a group?
  • the reference signal received in step 201 corresponds to the reference signal transmitted in step 102.
  • the UE performs step 202 to perform channel quality measurement on the reference signals on the M transmission subbands in the S transmission subbands.
  • it may be a radio resource management (English: Radio Resource Management, RRM for short) measurement, or a channel quality indication (English: Channel Quality Indication, for short: CQI) measurement.
  • RRM Radio Resource Management
  • CQI Channel Quality Indication
  • step 203 is next performed to select at least two of the M transmission subbands according to the result of the channel quality measurement.
  • at least two transmitters are selected with multiple implementations. For example, you can select the channel quality measurement result before the ranking P
  • P is a positive integer greater than or equal to 2 and less than or equal to M. It may also be a transmission sub-band corresponding to the reference signal whose channel quality measurement result is greater than a preset threshold.
  • the UE may measure the reference signals on all the transmission subbands in the S transmission subbands, and then select at least two transmission subbands according to the measurement result. It is also possible to measure the reference signal on the partial transmission sub-band in the S transmission sub-bands, and then select at least two transmission sub-bands according to the measurement result. For example, after measuring the reference signals on the partial transmission subbands in the S transmission subbands, it is found that the number of channel quality measurement results that reach the preset threshold has reached the number of transmission subbands that need to be accessed. It is possible to stop measuring the reference signals on other transmission channels.
  • the UE may also report the number of the at least two transmission subbands or the number of the reference signal transmitted on the at least two transmission subbands to the network side device.
  • step 204 is performed next, ie access is made on the at least two transmission subbands.
  • the process of accessing includes, for example, the UE transmitting a preamble sequence on the at least two transmission subbands.
  • the network side device sends a random access response (Random Access Response, RAR) on the at least two transmission subbands.
  • RAR Random Access Response
  • the RAR may include information such as timing, uplink resource allocation, and the like.
  • the network side device also performs conflict resolution of multiple contention accesses on each transmission subband.
  • the preamble sequence transmitted on the at least two transmission subbands may be a specific preamble sequence for each transmission subband, that is, a specific preamble sequence and a physical random access channel are on different transmission subbands ( English: Physical Random Access Channel (abbreviation: PRACH) configuration information.
  • PRACH configuration information includes, for example, a time density, a frequency location, an available sequence, and the like of a random access channel (Random Access Channel, RACH for short).
  • the UE and the same network-side device maintain at least two connections at the same time.
  • the network-side device may perform step 103, and the UE may perform step 205. Therefore, whether the UE transmits a signal to the network side device or the network side device sends a signal to the UE, the signal is transmitted through the at least two transmission subbands, so that the reliability of the signal transmission can be improved.
  • the data channel signals respectively sent on the at least two transmission subbands correspond to the same Hybrid Automatic Repeat Request (HARQ) process and The same transfer mode.
  • the data channel signal may be repeatedly mapped to the at least two transmission subbands, and the data channel signals on different transmission subbands of the at least two transmission subbands are the same. This ensures that when an abnormality occurs in the data channel signal on one transmission subband, the other transmission subband can also be transmitted normally, thereby improving the reliability of data transmission.
  • HARQ Hybrid Automatic Repeat Request
  • the data channel signals sent on the at least two transmission subbands respectively correspond to one HARQ process, and at this time, the data sent on the at least two transmission subbands may be The same can also be different.
  • the data channel signals may be jointly mapped onto the at least two transmission subbands.
  • the UE may also determine the S transmission subbands according to the predefined information; or receive configuration information of the S transmission subbands, and determine the S according to the configuration information. Transfer subbands. This part of the content is the same as that described on the network device side, so I won't go into details here.
  • the method further includes: respectively sending, on the S transmission subbands, a broadcast channel (English: Broadcast Channel, BCH for short) signal, primary synchronization Common channel signals (English: Primary Synchronization Signal, PSS for short), secondary synchronization signal (English: Secondary Synchronization Signal, SSS), control channel (English: Control Channel, CCH for short), or common reference signals.
  • a broadcast channel English: Broadcast Channel, BCH for short
  • primary synchronization Common channel signals English: Primary Synchronization Signal, PSS for short
  • secondary synchronization signal English: Secondary Synchronization Signal, SSS
  • control channel English: Control Channel, CCH for short
  • cell identifier (ID) identification and the cyclic prefix (English: Cyclic Prefix, CP: length) detection may be performed.
  • ID the cell identifier
  • CP the cyclic prefix
  • time/or frequency synchronization, cell ID identification, and CP length detection are well known to those skilled in the art, and are not described herein again.
  • the BCH signal, the PSS signal, and the SSS signal can occupy the middle 6 RBs of each transmission subband, thereby saving system overhead.
  • the method further includes: transmitting at least one of a reference signal, a synchronization signal, a BCH signal, and a CCH signal on the at least two transmission subbands, respectively.
  • the reference signal is, for example, the reference signal described above.
  • the synchronization signals include, for example, PSS and SSS.
  • configurations of the reference signals respectively sent on the at least two transmission subbands are the same.
  • the configuration of the reference signal may be the same as the configuration period of the reference signal resource, and at least one of the frequency density and the port information is the same.
  • the user equipment can perform maintenance and update of the unified scheduling and the HARQ process based on the channel quality measurement on the at least two transmission subbands.
  • the notification of the configuration information can be simplified.
  • the UE may receive at least one of a reference signal, a synchronization signal, a BCH signal, or a CCH signal.
  • RRM measurement, CQI measurement, or other channel quality measurement may be performed again.
  • the UE reports a reference signal receiving power (English: Reference Signal Receiving Power, referred to as RSRP) of the reference signal corresponding to the at least two transmission subbands.
  • RSRP Reference Signal Receiving Power
  • Each cell in the network corresponds to a channel quality measurement result of the at least two transmission subbands.
  • the channel quality measurement result may be an average of channel quality measurement results on the at least two transmission subbands. Value or maximum.
  • the network side device may select an optimal target cell for the UE and perform subsequent inter-cell hard handover based on the channel quality measurement result of each cell, such as an RSRP value. In each cell, the UE performs soft handover between multiple transmission sub-bands (while maintaining the original connection and the new connection while switching).
  • the measurement and handover event between the transmission subbands in each cell may be defined as: when the RSRP value of the reference signal is greater than or equal to the first threshold, the transmission subband corresponding to the reference signal is accessed. When the RSRP value of the reference signal is less than or equal to the second threshold, the transmission subband corresponding to the reference signal is left.
  • the specific switching method optionally includes, when the user equipment switches from the transmission subband to the transmission subband 2, At the same time, the connection on the two transmission sub-bands is maintained until the user equipment completely switches to the transmission sub-band two.
  • the method further includes: determining, in the at least two transmission subbands, one transmission subband as a common transmission subband; transmitting at least one set of signals simultaneously on the common transmission subband
  • Each set of signals includes a reference signal, a synchronization signal, a BCH signal, a System Information Block (SIB), a CCH signal, and at least one of a CCH common search interval (CSS) signal.
  • SIB System Information Block
  • CCH CCH common search interval
  • the reference signal may be the same as the reference signal described above.
  • the synchronization signal can include PSS and SSS.
  • At least one set of signals is simultaneously transmitted on the common transmission subband, and specifically, the at least one set of reference signals may be simultaneously transmitted through at least one different analog beam, in other words, space division transmission, the at least one set of reference signals
  • Each set of reference signals corresponds to one analog beam, so that the effect of simultaneously transmitting multiple sets of reference signals on the same time-frequency resource can be realized, compared with placing the at least one set of reference signals on multiple transmission sub-bands separately.
  • the transmission scheme saves the overhead of reference signal resources.
  • the common transmission subband may be designated as a primary transmission subband of all UEs. Of course, it can also serve as a secondary transmission sub-band of the UE. It is also possible that all UEs use the common transmission subband when they need to synchronize or periodically read system information.
  • the CRS may be transmitted only in the common transmission sub-band, or may be transmitted on each transmission sub-band for the UE to perform fine synchronization.
  • system key information such as system bandwidth, transmission subband number, transmission subband bandwidth, physical HARQ indicator channel (English: Physical Hybrid ARQ Indicator Channel, PHICH) resources
  • At least one of the system frame number (English: System Frame Number, SFN for short) is transmitted on each of the transmission subbands.
  • the SIB such as SIB1-SIB13, and other expensive system information are transmitted on the common sub-bandwidth.
  • the SIB can be transmitted on the middle of the 6 physical resource blocks (PRBs) of the common transmission subband, thereby saving the overhead of system design.
  • PRBs physical resource blocks
  • the CSS signal of the CCH is specifically, for example, a physical downlink control channel (English: Physical: The CSS signal of the Downlink Control Channel (referred to as PDCCH).
  • the method further includes: sending indication information on the common transmission subband.
  • the indication information is used to indicate that the other at least one of the S transmission subbands is used as a transmission subband of the additional transmission CSS signal.
  • the UE receives the indication information.
  • an additional transmission subband may be added to transmit the CSS signal, thereby being used for receiving a large number of UEs to receive the RAR.
  • each of the at least two transmission subbands is associated with one precoding.
  • the precoding associated with each of the transmission subbands is precoding in the first precoding group
  • the precoding associated with each of the transmission subbands is in the second precoding group.
  • Precoding; wherein precoding in the first precoding group and precoding in the second precoding group are not identical.
  • each transmission subband is associated with one precoding, but the precoding associated with each transmission subband may change over time. In other words, at the same time, each transmission subband is associated with only one precoding.
  • each precoding group may include only one precoding.
  • the precoding associated with each transmission subband is the same. Since each transmission sub-band is associated with the same pre-coding, in order to achieve wide coverage of all users in the cell, signals can be transmitted on each transmission sub-band in a time division manner, and different transmission sub-bands are associated with different transmission sub-bands. Precoding. For example, at time one, the precoding 1 is associated with each transmission subband, and at the next time two and time three, precoding 2 and precoding 3 are associated with each of the transmission subbands. Since the UE can remain connected on at least two transmission sub-bands at each moment, the reliability of signal transmission can also be improved.
  • each precoding group may include two or more precodings.
  • the time division is then sent in accordance with each precoding group.
  • each preamble in the precoding group 1 is associated with each transmission subband
  • a precoding in the precoding group 2 is associated with each transmission subband, in turn. analogy.
  • the precoding within the first precoding group and the respective precoding within the second precoding group may overlap, ie, the same precoding subset may be present in the first precoding group and the second precoding group.
  • the UE can remain connected on at least two transmit sub-bands, thus also improving signal transmission. Rely on sex.
  • FIG. 3 is a flowchart of a method for transmitting downlink control information according to an embodiment of the present invention. The method includes:
  • Step 301 Obtain first downlink control information and second downlink control information.
  • Step 302 At the first moment, using the first precoding, sending downlink control information on the PDCCH;
  • Step 303 Send, by using the second pre-coding, the downlink control information on an enhanced physical downlink control channel (English: Enhanced Physical Downlink Control Channel, EPDCCH).
  • an enhanced physical downlink control channel English: Enhanced Physical Downlink Control Channel, EPDCCH.
  • the first precoding corresponds to a first analog beam
  • the second precoding corresponds to a second analog beam
  • the first precoding is a first analog beam
  • the second precoding is a second analog beam.
  • the first precoding and the second precoding are different or the first analog beam and the second analog beam are different.
  • the first downlink control information sent on the PDCCH and the second downlink control information sent on the EPDCCH may be the same or different.
  • the method in the embodiment improves the reliability of the control information by simultaneously transmitting control information of the same content on the two control channels.
  • the network side device for example, the base station, can trigger the implementation of the method shown in FIG. 3 by using high layer signaling.
  • the network side device for example, the base station, may indicate in the PCFICH whether the diversity transmission of the two control channels is currently supported.
  • an embodiment of the present invention further provides a data transmission apparatus for implementing the method shown in FIG.
  • the data transmission apparatus includes: a processing unit 401, configured to determine S transmission subbands for the user equipment UE, where the S transmission subbands do not overlap each other, and S is greater than or equal to An integer of 2; a sending unit 402, configured to separately transmit a reference signal on the S transmission subbands, so that the UE is based on a channel of a reference signal on M transmission subbands of the S transmission subbands Quality measurement to select at least two of the M transmission subbands, And performing respectively access on the at least two transmission subbands; M is an integer greater than or equal to 2 and less than or equal to S; and respectively transmitting data channel signals to the UE on the at least two transmission subbands.
  • the processing unit 401 is configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is cell-specific or user-specific.
  • the data channel signals respectively sent by the sending unit 402 on the at least two transmission subbands correspond to the same hybrid automatic repeat request HARQ process and the same transmission mode.
  • the sending unit 402 is further configured to: after the reference signals are respectively sent on the S transmission subbands, respectively send reference signals, synchronization signals, broadcast channel BCH signals, and control on the at least two transmission subbands At least one of the channel signals.
  • the configuration of the reference signals respectively sent by the sending unit 402 on the at least two transmission subbands is the same.
  • the processing unit 401 is further configured to: after the sending unit 402 separately sends the reference signals on the S transmission subbands, determine one transmission subband as the common transmission subband in the at least two transmission subbands. ;
  • the sending unit 402 is further configured to: simultaneously transmit at least one set of signals by using at least one different analog beam on the common transmission subband; each set of signals includes a reference signal, a synchronization signal, a system information block SIB, and a common search interval of the control channel. At least one of the CSS signals.
  • the sending unit 402 is further configured to: send indication information on the common transmission subband; the indication information is used to indicate that the other at least one of the S transmission subbands is used as an additional The transmission subband of the CSS signal is transmitted.
  • each of the at least two transmission subbands is associated with one precoding, and at each moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group, At a second time, the precoding associated with each of the transmission subbands is precoding in a second precoding group; wherein precoding in the first precoding group and in the second precoding group The precoding is not exactly the same.
  • the method unit is further configured to: after the processing unit 401 determines the S transmission subbands for the user equipment UE, send the configuration information of the S transmission subbands to the UE, so that the UE is configured according to the UE Determining, by the configuration information, the S transmission subbands; wherein the configuration information is a cell special Fixed or user specific.
  • an embodiment of the present invention further provides a data transmission apparatus for implementing the method shown in FIG.
  • the data transmission apparatus includes: a receiving unit 501, configured to respectively receive reference signals on the S transmission subbands; wherein, the S transmission subbands do not overlap each other, and S is greater than An integer equal to 2; a processing unit 502, configured to perform channel quality measurement on the reference signals on the M transmission subbands in the S transmission subbands; and select the M transmission subbands according to a result of the channel quality measurement At least two transmission sub-bands; controlling user equipment UE to access on the at least two transmission sub-bands; and transmitting unit 503, configured to transmit data channel signals on the at least two transmission sub-bands.
  • the processing unit 502 is further configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is cell-specific or user-specific; or
  • the receiving unit 501 is further configured to: receive configuration information of the S transmission subbands; the processing unit 502 is further configured to determine, according to the configuration information, the S transmission subbands, where the configuration information is cell specific or User specific.
  • the data channel signal sent by the sending unit 503 on the at least two transmission subbands corresponds to the same hybrid automatic repeat request HARQ process and the same transmission mode.
  • the receiving unit 501 is further configured to: after the processing unit 502 controls the UE to access the at least two transmission subbands, respectively receive reference signals and synchronize on the at least two transmission subbands. At least one of a signal, a broadcast channel BCH signal, and a control channel signal.
  • the configuration of the reference signals respectively received by the receiving unit 501 on the at least two transmission subbands is the same.
  • the receiving unit 501 is further configured to: after the processing unit 502 controls the UE to access the at least two transmission subbands, simultaneously receive the at least one not on the common transmission subband.
  • the receiving unit 501 is further configured to: receive indication information on the common transmission subband; the indication information is used to indicate that the other at least one of the S transmission subbands is used as an additional The transmission subband of the CSS signal is transmitted.
  • each of the at least two transmission subbands is associated with one precoding, and at the first moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group. At a second moment, the precoding associated with each of the transmission subbands is precoding in a second precoding group; wherein precoding in the first precoding group and the second precoding group are The precoding is not exactly the same.
  • the embodiment of the present invention further provides a downlink control information transmission apparatus, which is used to implement the method shown in FIG.
  • the downlink control information transmission apparatus includes: a processing unit 601, configured to obtain first downlink control information and second downlink control information; and a sending unit 602, configured to use the first precoding at the first moment Transmitting, by using the second precoding, the second downlink control information on the enhanced physical downlink control channel EPDCCH, where the first downlink control information is sent on the physical downlink control channel PDCCH;
  • the first precoding and the second precoding are different.
  • an embodiment of the present invention further provides a network side device, which is used to implement FIG. 1 The method shown.
  • the network side device includes: a processor 701, a transmitter 702, a receiver 703, and a memory 704.
  • the processor 701 may be a central processing unit, an application specific integrated circuit (ASIC), and may be one or more integrated circuits for controlling program execution, and may be a field programmable gate array. (English: Field Programmable Gate Array, referred to as: FPGA) developed hardware circuit.
  • the number of memories 704 can be one or more.
  • the memory 704 may include a read only memory (English: Read Only Memory, ROM for short), a random access memory (English: Random Access Memory, RAM for short), and a disk storage.
  • receivers 703 and transmitters 702 are connected to the processing circuit 701 via a bus.
  • the receiver 703 and the transmitter 702 are configured to perform network communication with an external device, and specifically communicate with an external device through a network such as an Ethernet, a wireless access network, or a wireless local area network.
  • Receiver 703 and transmitter 702 may be physically separate components or may be physically identical components.
  • the processor 701 is configured to determine S transmission subbands for the user equipment UE, where the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2; the transmitter 702 uses And respectively transmitting reference signals on the S transmission subbands, so that the UE selects the M based on channel quality measurements of reference signals on M transmission subbands of the S transmission subbands. Transmitting at least two of the transmission subbands and respectively accessing the at least two transmission subbands; M being an integer greater than or equal to 2 and less than or equal to S; at the at least two transmissions The data channel signals are respectively sent to the UE.
  • the processor 701 is configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is cell-specific or user-specific.
  • the data channel signals respectively sent by the transmitter 702 on the at least two transmission subbands correspond to the same hybrid automatic repeat request HARQ process and the same transmission mode.
  • the transmitter 702 is further configured to: after the reference signals are respectively sent on the S transmission subbands, respectively transmit a reference signal, a synchronization signal, a broadcast channel BCH signal, and control on the at least two transmission subbands. At least one of the channel signals.
  • the reference signal sent by the transmitter 702 on the at least two transmission subbands respectively is the same.
  • the processor 701 is further configured to: after the transmitter 702 separately transmits the reference signals on the S transmission subbands, determine one transmission subband as the common transmission subband in the at least two transmission subbands. ;
  • the transmitter 702 is further configured to: simultaneously transmit at least one set of signals on the common transmission subband by using at least one different analog beam; each set of signals includes a reference signal, a synchronization signal, a system information block SIB, and a common search interval of the control channel. At least one of the CSS signals.
  • the transmitter 702 is further configured to: send indication information on the common transmission subband; the indication information is used to indicate that the other at least one of the S transmission subbands is used as an additional The transmission subband of the CSS signal is transmitted.
  • each of the at least two transmission subbands is associated with one precoding, and at each moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group, At a second time, the precoding associated with each of the transmission subbands is precoding in a second precoding group; wherein precoding in the first precoding group and in the second precoding group The precoding is not exactly the same.
  • the transmitter 702 is further configured to: after the processor 701 determines the S transmission subbands for the user equipment UE, send the configuration information of the S transmission subbands to the UE, so that the UE according to the The configuration information determines the S transmission subbands; wherein the configuration information is cell specific or user specific.
  • an embodiment of the present invention further provides a user equipment for implementing the method shown in FIG. 2 .
  • the user equipment includes a processor 801, a transmitter 802, a receiver 803, a memory 804, and an I/O interface 805.
  • the processor 801 may be a central processing unit, an application specific integrated circuit (ASIC), and may be one or more integrated circuits for controlling program execution, and may be a field programmable gate.
  • Hardware circuit developed by Array English: Field Programmable Gate Array, referred to as FPGA).
  • the number of memories 804 can be one or more.
  • the memory 804 may include a read only memory (English: Read Only Memory, ROM for short), a random access memory (English: Random Access Memory, RAM for short), and a disk storage. These memories, receivers 803 and transmitters 802 are connected to the processing circuit 801 via a bus. The receiver 803 and the transmitter 802 are configured to perform network communication with an external device, and specifically communicate with an external device through a network such as an Ethernet, a wireless access network, or a wireless local area network. Receiver 803 and transmitter 802 may be physically separate components or may be physically identical components.
  • the I/O interface 805 can be connected to peripherals such as a mouse and a keyboard.
  • the receiver 803 is configured to receive reference signals respectively on the S transmission subbands, where the S transmission subbands do not overlap each other, and S is an integer greater than or equal to 2; the processor 801, And performing channel quality measurement on the reference signals on the M transmission subbands in the S transmission subbands; selecting at least two transmission subbands in the M transmission subbands according to the result of the channel quality measurement; The user equipment accesses on the at least two transmission subbands; the transmitter 802 is configured to send a data channel signal on the at least two transmission subbands.
  • the processor 801 is further configured to: determine, according to the predefined information, the S transmission subbands, where the predefined information is cell-specific or user-specific; or
  • the receiver 803 is further configured to: receive configuration information of the S transmission subbands; the processor 801 is further configured to determine the S transmission subbands based on the configuration information; where the configuration information is cell specific Or user specific.
  • the data channel signal sent by the transmitter 802 on the at least two transmission subbands corresponds to the same hybrid automatic repeat request HARQ process and the same transmission mode.
  • the receiver 803 is further configured to: after the user equipment accesses the at least two transmission subbands, receive reference signals, synchronization signals, and broadcasts on the at least two transmission subbands, respectively. At least one of a channel BCH signal and a control channel signal.
  • the configuration of the reference signals respectively received by the receiver 803 on the at least two transmission subbands is the same.
  • the receiver 803 is further configured to: after the user equipment accesses the at least two transmission subbands, simultaneously receive at least one sent by using at least one different analog beam on the common transmission subband. a set of signals; each set of signals includes at least one of a reference signal, a synchronization signal, a system information block SIB, and a common search interval CSS signal of the control channel; wherein the common transmission subband is in the at least two transmission subbands one of.
  • the receiver 803 is further configured to: receive indication information on the common transmission subband; the indication information is used to indicate that the other at least one of the S transmission subbands is used as an additional The transmission subband of the CSS signal is transmitted.
  • each of the at least two transmission subbands is associated with one precoding, and at the first moment, the precoding associated with each of the transmission subbands is precoding in the first precoding group. At a second moment, the precoding associated with each of the transmission subbands is precoding in a second precoding group; wherein precoding in the first precoding group and the second precoding group are The precoding is not exactly the same.
  • the embodiment of the present invention further provides a network side device, which is used to implement the method shown in FIG. 2 .
  • the network side device includes: a processor 901, a transmitter 902, a receiver 903, and a memory 904.
  • the processor 901 may be a central processing unit, an application specific integrated circuit (ASIC), and may be one or more integrated circuits for controlling program execution, and may be a field programmable gate array. (English: Field Programmable Gate Array, referred to as: FPGA) developed hardware circuit.
  • the number of memories 904 can be one or more.
  • the memory 904 may include a read only memory (English: Read Only Memory, ROM for short), a random access memory (English: Random Access Memory, RAM for short), and a disk storage. These memories, receivers 903 and transmitters 902 are connected to the processing circuit 901 via a bus. Receiver 903 and transmitter 902 are used to network with external devices Network communication, specifically through Ethernet, wireless access network, wireless LAN and other networks to communicate with external devices. The receiver 903 and the transmitter 902 may be physically separate components or may be physically the same component.
  • the processor 901 is configured to obtain the first downlink control information and the second downlink control information, where the transmitter 902 is configured to send, by using the first precoding, the physical downlink control channel PDCCH at the first moment. And transmitting, by the second precoding, the second downlink control information on the enhanced physical downlink control channel EPDCCH, where the first precoding and the second The precoding is different.
  • the entire system bandwidth is disassembled into a plurality of transmission sub-bands that do not overlap each other, and the UE accesses at least two transmission sub-bands, and then the UE and the network device can simultaneously transmit at least two when transmitting signals. Transfer on the subband. Therefore, the method in the embodiment of the present invention can enhance the reliability of UE connection and data transmission.
  • the bandwidth of the entire high frequency band can be disassembled into a plurality of low frequency transmission subbands that do not overlap each other, and the UE simultaneously accesses at least two carriers. band.
  • the method in the embodiment of the present invention can improve the reliability of the UE connection and the data transmission in the high frequency coverage limited scenario by maintaining the diversity transmission of the multiple connections on the at least two transmission subbands.
  • the practicality of applying the high frequency band to cellular communication is increased.

Abstract

本发明提供一种数据传输方法及装置。该方法包括：为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；在所述至少两个传输子带上分别发送数据信道信号给所述UE。

Description

一种数据传输方法及装置 技术领域
本发明涉及通信技术领域，尤其涉及一种数据传输方法及装置。
背景技术
随着智能终端的发展，智能终端所能够支持的业务种类也越来越多，例如视频业务。因此，当前的频谱资源已经难以满足智能终端对容量需求的爆炸式增长。具有更大的可用带宽的高频频段，日益成为下一代通信系统的候选频段，例如在3GHz-200GHz的范围内，潜在的可用带宽约为250GHz。
然而与现有通信系统的工作频段不同的是，在相同的传播距离下，高频频段将导致更大的路径损耗，特别是大气、植被等因素的影响更进一步加剧了无线传播的损耗。因此，为了弥补高频频段造成的路径损耗，以保证相对距离较远的两个通信设备依然可以实现通信，一种可选的方式是为高频频段提供更高的天线增益。如此以来，高频频段的模拟波束相对于低频就窄的多。由于每个高频模拟窄波束只能覆盖小区内的部分用户，所以为保证小区内的每个用户均能收到公共信道的信号，可采用多个模拟波束时分发送的方式来完成小区内所有用户的覆盖。而用户移动导致所需的模拟波束变化时，连接的连续性以及稳定性较差。
因此，在现有技术中，当高频频段用于蜂窝通信时，由于高频模拟波束较窄，导致数据传输的可靠性较差。
发明内容
本发明实施例提供一种数据传输方法及装置，用以解决现有技术中的高频频段用于蜂窝通信时由于高频模拟波束较窄而导致的数据传输可靠性差的技术问题。
本发明第一方面提供了一种数据传输方法，包括：
为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；
在所述至少两个传输子带上分别发送数据信道信号给所述UE。
结合第一方面，在第一方面的第一种可能的实现方式中，所述为用户设备UE确定S个传输子带，包括：
根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
结合第一方面，在第一方面的第二种可能的实现方式中，
在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
结合第一方面或第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式，在第一方面的第三种可能的实现方式中，在所述S个传输子带上分别发送参考信号之后，所述方法还包括：
在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
结合第一方面的第三种可能的实现方式，在第一方面的第四种可能的实现方式中，在所述至少两个传输子带上分别发送的参考信号的配置相同。
结合第一方面或第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式，在第一方面的第五种可能的实现方式中，在所述S个传输子带上分别发送参考信号之后，所述方法还包括：
在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共 搜索区间CSS信号中的至少一个信号。
结合第一方面的第五种可能的实现方式，在第一方面的第六种可能的实现方式中，所述方法还包括：
在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
结合第一方面或第一方面的第一种可能的实现方式至第一方面的第六种可能的实现方式，在第一方面的第七种可能的实现方式中，
所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
结合第一方面或第一方面的第一种可能的实现方式至第一方面的第七种可能的实现方式，在第一方面的第八种可能的实现方式中，在为用户设备UE确定S个传输子带之后，所述方法还包括：
发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
本发明第二方面提供一种数据传输方法，包括：
用户设备UE在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
所述UE对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；
所述UE根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；
所述UE在所述至少两个传输子带上进行接入；
所述UE在所述至少两个传输子带上发送数据信道信号。
结合第二方面，在第二方面的第一种可能的实现方式中，在所述用户设备UE在S个传输子带上分别接收一个参考信号之前，所述方法还包括：
根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
接收所述S个传输子带的配置信息并基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
结合第二方面，在第二方面的第二种可能的实现方式中，所述UE在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
结合第二方面或第二方面的第一种可能的实现方式或第二方面的第二种可能的实现方式，在第二方面的第三种可能的实现方式中，在所述UE在所述至少两个传输子带上进行接入之后，所述方法还包括：
所述UE在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
结合第二方面的第三种可能的实现方式，在第二方面的第四种可能的实现方式中，所述UE在所述至少两个传输子带上分别接收的参考信号的配置相同。
结合第二方面货第二方面的第一种可能的实现方式或第二方面的第二种可能的实现方式，在第二方面的第五种可能的实现方式中，在所述UE在所述至少两个传输子带上进行接入之后，所述方法还包括：
所述UE在公共传输子带上同时接收通过至少一个不同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
结合第二方面的第五种可能的实现方式，在第二方面的第六种可能的实现方式中，在所述UE在所述至少两个传输子带上进行接入之后，所述方法还包括：
所述UE在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
结合第二方面或第二方面的第一种可能的实现方式至第二方面的第六种可能的实现方式中的任意一种，在第二方面的第七种可能的实现方式中，所述至少两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
本发明第三方面提供一种下行控制信息的传输方法，包括：
获得第一下行控制信息和第二下行控制信息；
在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；
在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
本发明第四方面提供一种数据传输装置，包括：
处理单元，用于为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
发送单元，用于在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；在所述至少两个传输子带上分别发送数据信道信号给所述UE。
结合第四方面，在第四方面的第一种可能的实现方式中，所述处理单元用于：根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
结合第四方面，在第四方面的第二种可能的实现方式中，所述发送单元在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
结合第四方面或第四方面的第一种可能的实现方式或第四方面的第二种可能的实现方式，在第四方面的第三种可能的实现方式中，所述发送单元还用于：在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
结合第四方面的第三种可能的实现方式，在第四方面的第四种可能的实现方式中，所述发送单元在所述至少两个传输子带上分别发送的参考信号的配置相同。
结合第四方面或第四方面的第一种可能的实现方式或第四方面的第二种可能的实现方式，在第四方面的第五种可能的实现方式中，所述处理单元还用于：在所述发送单元在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
所述发送单元还用于：在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号。
结合第四方面的第五种可能的实现方式，在第四方面的第六种可能的实现方式中，所述发送单元还用于：在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
结合第四方面或第四方面的第一种可能的实现方式至第四方面的第六种可能的实现方式中的任意一种，在第四方面的第七种可能的实现方式中，所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编 码组中的预编码和所述第二预编码组中的预编码不完全相同。
结合第四方面或第四方面的第一种可能的实现方式至第四方面的第七种可能的实现方式中的任意一种，在第四方面的第八种可能的实现方式中，所述方法单元还用于：在所述处理单元为用户设备UE确定S个传输子带之后，发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
本发明第五方面提供一种数据传输装置，包括：
接收单元，用于在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
处理单元，用于对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；控制用户设备UE在所述至少两个传输子带上进行接入；
发送单元，用于在所述至少两个传输子带上发送数据信道信号。
结合第五方面，在第五方面的第一种可能的实现方式中，所述处理单元还用于：根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
所述接收单元还用于：接收所述S个传输子带的配置信息；所述处理单元还用于基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
结合第五方面，在第五方面的第二种可能的实现方式中，所述发送单元在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
结合第五方面或第五方面的第一种可能的实现方式或第五方面的第二种可能的实现方式，在第五方面的第三种可能的实现方式中，所述接收单元还用于：在所述处理单元控制所述UE在所述至少两个传输子带上进行接入之后，在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
结合第五方面的第三种可能的实现方式，在第五方面的第四种可能的实现方式中，所述接收单元在所述至少两个传输子带上分别接收的参考信号的配置相同。
结合第五方面或第五方面的第一种可能的实现方式或第五方面的第二种可能的实现方式，在第五方面的第五种可能的实现方式中，所述接收单元还用于：在所述处理单元控制所述UE在所述至少两个传输子带上进行接入之后，在公共传输子带上同时接收通过至少一个不同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
结合第五方面的第五种可能的实现方式，在第五方面的第六种可能的实现方式中，所述接收单元还用于：在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
结合第五方面或第五方面的第一种可能的实现方式至第五方面的第六种可能的实现方式中的任意一种，在第五方面的第七种可能的实现方式中，所述至少两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
本发明第六方面提供一种下行控制信息的传输装置，包括：
处理单元，用于获得第一下行控制信息和第二下行控制信息；
发送单元，用于在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
本发明第七方面提供一种网络侧设备，包括：
处理器，用于为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
发送器，用于在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；在所述至少两个传输子带上分别发送数据信道信号给所述UE。
结合第七方面，在第七方面的第一种可能的实现方式中，所述处理器用于：根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
结合第七方面，在第七方面的第二种可能的实现方式中，所述发送器在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
结合第七方面或第七方面的第一种可能的实现方式或第七方面的第二种可能的实现方式，在第七方面的第三种可能的实现方式中，所述发送器还用于：在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
结合第七方面的第三种可能的实现方式，在第七方面的第四种可能的实现方式中，所述发送器在所述至少两个传输子带上分别发送的参考信号的配置相同。
结合第七方面或第七方面的第一种可能的实现方式或第七方面的第二种可能的实现方式，在第七方面的第五种可能的实现方式中，所述处理器还用于：在所述发送器在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
所述发送器还用于：在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套信号；每套信号包括参考信号、同步信号、系统信息块 SIB、控制信道的公共搜索区间CSS信号中的至少一个信号。
结合第七方面的第五种可能的实现方式，在第七方面的第六种可能的实现方式中，所述发送器还用于：在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
结合第七方面或第七方面的第一种可能的实现方式至第七方面的第六种可能的实现方式中的任意一种，在第七方面的第七种可能的实现方式中，所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
结合第七方面或第七方面的第一种可能的实现方式至第七方面的第七种可能的实现方式中的任意一种，在第七方面的第八种可能的实现方式中，所述发送器还用于：在所述处理器为用户设备UE确定S个传输子带之后，发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
本发明第八方面提供一种用户设备，包括：
接收器，用于在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
处理器，用于对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；控制用户设备在所述至少两个传输子带上进行接入；
发送器，用于在所述至少两个传输子带上发送数据信道信号。
结合第八方面，在第八方面的第一种可能的实现方式中，所述处理器还用于：根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
所述接收器还用于：接收所述S个传输子带的配置信息；所述处理器还 用于基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
结合第八方面，在第八方面的第二种可能的实现方式中，所述发送器在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
结合第八方面或第八方面的第一种可能的实现方式或第八方面的第二种可能的实现方式，在第八方面的第三种可能的实现方式中，所述接收器还用于：在所述用户设备在所述至少两个传输子带上进行接入之后，在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
结合第八方面的第三种可能的实现方式，在第八方面的第四种可能的实现方式中，所述接收器在所述至少两个传输子带上分别接收的参考信号的配置相同。
结合第八方面或第八方面的第一种可能的实现方式或第八方面的第二种可能的实现方式，在第八方面的第五种可能的实现方式中，所述接收器还用于：在所述用户设备在所述至少两个传输子带上进行接入之后，在公共传输子带上同时接收通过至少一个不同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
结合第八方面的第五种可能的实现方式，在第八方面的第六种可能的实现方式中，所述接收器还用于：在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
结合第八方面或第八方面的第一种可能的实现方式至第八方面的第六种可能的实现方式，在第八方面的第七种可能的实现方式中，所述至少两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带 关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
本发明第九方面提供一种网络侧设备，包括：
处理器，用于获得第一下行控制信息和第二下行控制信息；
发送器，用于在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
本发明实施例中提供的一个或多个技术方案，至少具有如下技术效果或优点：
本发明实施例中，整个系统带宽被拆解成多个互相不重叠的传输子带，UE接入至少两个传输子带，然后UE和网络设备在传输信号时，能够同时在至少两个传输子带上进行传输。因此，本发明实施例中的方法可以增强UE连接的可靠性。当该方法应用于高频频段时，可以将整个高频频段的带宽拆解成多个互相不重叠的传输子带，UE同时接入至少两个传输子带。换言之，本发明实施例中的方法通过多连接的分集传输，提高高频覆盖受限的场景下，UE连接和数据传输的可靠性，降低由于高频下用户的移动和信道变化带来的连接失败概率。进而使得高频频段应用于蜂窝通信的实用性增加。
附图说明
图1为本发明实施例提供的一种数据传输方法的流程图；
图2为本发明实施例提供的另一种数据传输方法的流程图；
图3为本发明实施例提供的一种下行控制信息的传输方法的流程图；
图4为本发明实施例提供的一种数据传输装置的功能框图；
图5为本发明实施例提供的另一种数据传输装置的功能框图；
图6为本发明实施例提供的一种下行控制信息传输装置的功能框图；
图7为本发明实施例提供的一种网络侧设备的结构框图；
图8为本发明实施例提供的一种用户设备的结构框图；
图9为本发明实施例提供的另一种网络侧设备的结构框图。
具体实施方式
本发明实施例提供一种数据传输方法及装置，用以解决现有技术中的高频频段用于蜂窝通信时由于波束较窄而可靠性较差的技术问题。
为解决上述技术问题，本发明实施例的技术方案的主要思路如下：
整个系统带宽被分为多个互相不重叠的传输子带，UE接入至少两个传输子带。换言之，UE和网络侧设备之间同时保持至少两个连接，以提高数据传输的可靠性。
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
另外，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
请参考图1所示，为本发明实施例提供的一种数据传输方法的流程图。在本实施例中，图1所示的方法应用于网络侧设备。网络侧设备例如为基站。本文中的基站可以是指接入网中在空中接口上通过一个或多个扇区与无线终端通信的设备。基站可用于将收到的空中帧与网际协议(IP)分组进行相互转换，作为无线终端与接入网的其余部分之间的路由器，其中接入网的其余部分可包括IP网络。基站还可协调对空中接口的属性管理。例如，基站可以是 全球移动通讯(英文：Global System of Mobile communication；简称：GSM)或码分多址(英文：Code Division Multiple Access；简称：CDMA)中的基站(英文：Base Transceiver Station；简称：BTS)中，也可以是宽带码分多址(英文：Wideband Code Division Multiple Access；简称：WCDMA)中的基站(英文：NodeB；简称NB)，还可以是长期演进(英文：Long Term Evolution；简称：LTE)中的演进型基站(英文：Evolutional Node B；简称：eNB或eNodeB)，或者中继站或接入点，或者未来5G网络中的基站等，本发明并不限定。
如图1所示，该方法包括：
步骤101：为用户设备确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
步骤102：在所述S个传输子带上分别发送参考信号，以使所述用户设备基于对所述S个传输子带中的M个传输子带上的参考信号的信道质量测量选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；
步骤103：在所述至少两个传输子带上分别发送数据信道信号给所述用户设备。
本文中提到的用户设备，可以是无线终端也可以是有线终端，无线终端可以是指向用户提供语音和/或其他业务数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端可以经无线接入网(英文：Radio Access Network；简称：RAN)与一个或多个核心网进行通信，无线终端可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(英文：Personal Communication Service；简称：PCS)电话、无绳电话、会话发起协议(英文：Session Initiation Protocol；简称：SIP)话机、无线本地环路(英文：Wireless Local Loop；简称：WLL)站、个人数字助理(英文：Personal Digital Assistant；简称：PDA)等设备。无线终端也 可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、远程终端(Remote Terminal)、接入终端(Access Terminal)、用户终端(User Terminal)、用户代理(User Agent)、用户设备(User Device or User Equipment)。
为便于描述，在下文中将利用UE来指代本文中的用户设备。
具体的，在步骤101之前，按照协议约定或者预设的，已经将系统带宽划分为N个传输子带，N个传输子带两两之间相互不重叠。N为大于等于S的整数。两个传输子带的带宽可以相同也可以不同。举例来说，假设系统带宽为1GHz，那么就可以将系统带宽拆分为5个200MHz的传输子带。当然，也可以将整个带宽拆分为3个200MHz的传输子带、一个300MHz的传输子带和一个100MHz的传输子带。
相应的，步骤101中的S个传输子带为N个传输子带中的全部或一部分，所以S个传输子带两两之间相互不重叠，并且S个传输子带的带宽之间可以相同，也可以不同。
在实际运用中，为UE确定S个传输子带的一种可能的实现方式为，根据预先定义的信息为所述UE确定S个传输子带。具体的，预先定义的信息是小区特定的信息或者是用户特定的信息。小区特定的含义为：传输子带的相关信息，例如传输子带的带宽、数目、编号等信息为小区级别的。换言之，相同小区的不同UE获得的传输子带的相关信息是相同的。用户特定的含义为：传输子带的相关信息，例如传输子带的带宽、数目、编号等信息是用户级别的。换言之，不同UE有独立的传输子带的相关信息。
当然，在实际运用中，也可以是通过其它方式为UE确定S个传输子带，本发明不作具体限定。
可选的，在步骤101之后，该方法还包括：通知或发送S个传输子带的配置信息给UE。其中，S个传输子带的配置信息是小区特定的或者是用户特定的。具体地，发送S个传输子带的信息给UE的一种形式如下表一所示。
Figure PCTCN2015083013-appb-000001
表一
在表一中，每种小区特定的系统带宽配置下有6种用户特定的传输子带的带宽配置选项。表一中的系统带宽或传输子带的带宽配置的数值单位为资源块(英文：Resource Block，简称：RB)。在本实施例中，假设为UE0确定的小区特定系统带宽配置为0，从而其对应的用户特定传输子带的带宽配置可以为2000个RB、200个RB、100个RB和50个RB,20个RB，10个RB中的一个。网络设备发送所述小区特定系统带宽配置索引值和对应的用户特定传输子带配置索引值给用户设备。如上例中，当UE0的用户特定传输子带配置的索引值为2时，网络设备只需发送小区特定系统带宽配置索引值0和用户特定传输子带配置索引值2给所述UE0。所述发送的索引值可以是(0,2)的方式，也可以是其他的方式，这里不做限定。
当为UE确定S个传输子带之后，接下来执行步骤102，即在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带中的M个传输子带上的参考信号的信道质量测量，选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入。
具体的，参考信号可以为X类参考信号(英文：X-type Reference Signal，简称：XRS)。XRS可以是当前长期演进(英文：Long Term Evolution，简称：LTE)系统中的小区特定的参考信号(英文：cell-specific Reference Signal，简 称：CRS)或者其它用户特定的参考信号。所述用户特定的参考信号例如为信道状态信息-参考信号(英文：Channel State Information-Reference Signal，简称：CSI-RS)或解调参考信号(英文：DeModulation Reference Signal，简称：DMRS)。
以下将结合UE侧的数据传输方法流程来描述步骤102的实现过程。请参考图2所示，为本发明实施例中UE侧的数据传输方法的流程图。
如图2所示，该方法包括：
步骤201：UE在所述S个传输子带上分别接收参考信号；
步骤202：所述UE对S个传输子带中的M个传输子带上的参考信号进行信道质量测量；
步骤203：所述UE根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；
步骤204：所述UE在所述至少两个传输子带上进行接入；
步骤205：所述UE在所述至少两个传输子带上发送数据信道信号。
当在步骤102中发送参考信号之后，对应的，UE执行步骤201，即在所述S个传输子带上分别接收参考信号。需要说明的是，在S个传输子带中的每个传输子带上分别接收的参考信号可以是一个，也可以是一组，取决于在步骤102中每个传输子带上发送的参考信号是一个还是一组。总之，在步骤201中接收的参考信号和步骤102中发送的参考信号是对应的。
接下来UE执行步骤202，即对S个传输子带中的M个传输子带上的参考信号进行信道质量测量。具体的，可以是无线资源管理(英文：Radio Resource Management，简称：RRM)测量，也可以是信道质量指示(英文：Channel Quality Indication，简称：CQI)测量。当然，在实际运用中，也可以是其它类型的信道质量测量，本发明不作具体限定。
在信道质量测量之后，接下来执行步骤203，即根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带。在实际运用中，选择至少两个传输子带有多种实现方式。举例来说，可以选择信道质量测量结果排名前P 的参考信号对应的传输子带，P为大于或等于2且小于或等于M的正整数。还可以是选择信道质量测量结果大于预设阈值的参考信号对应的传输子带。
需要说明的是，UE可以对S个传输子带中所有传输子带上的参考信号均进行测量，然后根据测量的结果选择至少两个传输子带。也可以是在对S个传输子带中的部分传输子带上的参考信号进行测量，然后根据测量结果选择至少两个传输子带。举例来说，在对S个传输子带中的部分传输子带上的参考信号进行测量之后，发现达到预设阈值的信道质量测量结果的数量已经达到自身需要接入的传输子带的数量，就可以停止对其它传输信道上的参考信号进行测量。
可选的，在选择出至少两个传输子带之后，UE还可以将至少两个传输子带的编号或者至少两个传输子带上传输的参考信号的编号上报给网络侧设备。
在选择出至少两个传输子带之后，接下来执行步骤204，即在所述至少两个传输子带上进行接入。接入的过程例如包括：UE在所述至少两个传输子带上分别发送前导(Preamble)序列。网络侧设备在所述至少两个传输子带上发送随机接入响应(英文：Random Access Response，简称：RAR)。RAR可以包括定时、上行资源分配等信息。网络侧设备还在每个传输子带上进行多个竞争接入的冲突解决。
需要说明的是，在所述至少两个传输子带上发送的前导序列可以是每个传输子带特定的前导序列，即不同的传输子带上有特定的前导序列和物理随机接入信道(英文：Physical Random Access Channel，简称：PRACH)配置信息。PRACH配置信息例如包括随机接入信道(英文：Random Access Channel，简称：RACH)的时间密度、频率位置和可用序列等。
在UE接入至少两个传输子带之后，就相当于UE和同一个网络侧设备同时保持了至少两个连接，网络侧设备可以执行步骤103，UE可以执行步骤205。因此，不管是由UE向网络侧设备发送信号还是由网络侧设备向UE发送信号，均是通过所述至少两个传输子带进行，所以可以提高信号传输的可靠性。
可选的，在步骤103和步骤205中，在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求(英文：Hybrid Automatic Repeat Request，简称：HARQ)进程和相同的传输模式。具体的，数据信道信号可以被重复映射到所述至少两个传输子带上，此时所述至少两个传输子带中的不同传输子带上的数据信道信号是相同的。如此可以保证当一个传输子带上的数据信道信号出现异常时，另一个传输子带还能正常传输，从而提高了数据传输的可靠性。
可选的，在步骤103和步骤205中，在所述至少两个传输子带上发送的数据信道信号分别对应一个HARQ进程，此时，在所述至少两个传输子带上发送的数据可以相同也可以不同。具体的，数据信道信号可以被联合映射到所述至少两个传输子带上。
可选的，在UE侧，UE也可以根据预定义的信息确定所述S个传输子带；或者，接收所述S个传输子带的配置信息，并根据所述配置信息确定所述S个传输子带。该部分内容与网络设备侧所描述的内容相同，所以在此不在赘述。
可选的，在步骤101之后，在步骤102之前、同时或之后，该方法还包括：在所述S个传输子带上分别发送广播信道(英文：Broadcast Channel，简称：BCH)信号、主同步信号(英文：Primary Synchronization Signal，简称：PSS)、辅同步信号(英文：Secondary Synchronization Signal，简称：SSS)、控制信道(英文：Control Channel，简称：CCH)信号等公共信道信号或公共参考信号。对应的，UE在所述每个传输子带上接收这些公共信道信号或公共参考信号，并根据这些公共信道信号或公共参考信号进行所述每个传输子带的时间和/或频率同步。进一步还可以进行小区标识(ID)识别、循环前缀(英文：Cyclic Prefix，简称：CP)长度检测。具体如何进行时间/或频率同步、小区ID识别和CP长度检测，这些为本领域技术人员所熟知的内容，在此不再赘述。
可选的，当采用基于正交频分复用(英文：Orthogonal Frequency Division  Multiplexing，简称：OFDM)的寻址方式时，BCH信号、PSS信号和SSS信号可占用每个传输子带的中间6个RB，从而可以节约系统开销。
可选的，在步骤102之后，该方法还包括：在所述至少两个传输子带上分别发送参考信号、同步信号、BCH信号、CCH信号中的至少一个。
具体的，参考信号例如为前述所描述的参考信号。同步信号例如包括PSS和SSS。
可选的，在所述至少两个传输子带上分别发送的参考信号的配置相同。在本实施例中，参考信号的配置相同可以表示为所述参考信号资源的配置周期，频率密度、端口信息中的至少一个相同。从而使得用户设备可综合基于所述至少两个传输子带上的信道质量测量进行统一调度和HARQ进程的维护和更新。且当所述至少两个传输子带上的参考信号配置都相同时，所述配置信息的通知可以被简化。
相对应的，UE可以接收参考信号、同步信号、BCH信号或者CCH信号中的至少一个。
当UE接收到本实施例中发送的参考信号时，可以再次进行RRM测量、CQI测量或者其它信道质量测量。UE上报所述至少两个传输子带对应的参考信号的参考信号接收功率(英文：Reference Signal Receiving Power，简称：RSRP)。网络内的每个小区对应一个所述至少两个传输子带的信道质量测量结果，可选地，所述信道质量测量结果可以是所述至少两个传输子带上的信道质量测量结果的平均值或最大值。网络侧设备可以基于每小区的信道质量测量结果，如RSRP值，为UE选择一个最优的目标小区并进行后续的小区间硬切换。而在每个小区内UE进行多个传输子带间的软切换(切换时同时保持原连接和新连接)。
每个小区内的传输子带间的测量和切换事件可定义为：当参考信号的RSRP值大于等于第一门限值，则接入该参考信号对应的传输子带。当参考信号的RSRP值小于等于第二门限值，则离开该参考信号对应的传输子带。具体的切换方法可选地包括，当用户设备从传输子带一切换到传输子带二时， 同时保持在两个传输子带上的连接，直至用户设备完全切换到传输子带二。
可选的，在步骤102之后，该方法还包括：在所述至少两个传输子带中确定出一个传输子带作为公共传输子带；在所述公共传输子带上同时发送至少一套信号；每套信号包括参考信号、同步信号、BCH信号、系统信息块(英文：System Information Block，简称：SIB)、CCH信号，包括CCH的公共搜索区间(CSS)信号中的至少一个信号。
具体的，参考信号与前述描述的参考信号可以相同。同步信号可以包括PSS和SSS。
具体的，在公共传输子带上同时发送至少一套信号，具体可以是通过至少一个不同的模拟波束同时发送所述至少一套参考信号，换言之，即空分发送，所述至少一套参考信号中的每套参考信号对应一个模拟波束，所以可以实现在相同的时频资源上同时传输多套参考信号的效果，相比将所述至少一套参考信号放在多个传输子带上分别进行传输的方案可节省参考信号资源的开销。
可选的，所述公共传输子带可以指定为所有UE的主传输子带。当然，也可以作为UE的辅传输子带。也可以是所有UE在需要同步或者周期性的读取系统信息时使用该公共传输子带。
可选的，CRS可以仅在公共传输子带传输，也可以在每个传输子带上均进行发送以用于UE进行精同步。
可选的，对于BCH信号来说，系统关键信息，如下行系统带宽、传输子带的编号、传输子带的带宽、物理HARQ指示信道(英文：Physical Hybrid ARQ Indicator Channel,简称：PHICH)资源、系统帧号(英文：System Frame Number，简称：SFN)中的至少一个在每个传输子带上进行发送。而SIB，例如SIB1-SIB13等开销较大的系统信息在所述公共子带宽上进行发送。具体的，SIB可在公共传输子带的中间6个物理资源块(PRB)上传输，从而可以节省系统设计时的开销。
具体的，CCH的CSS信号具体例如是物理下行控制信道(英文：Physical  Downlink Control Channel，简称：PDCCH)的CSS信号。
可选的，该方法还包括：在所述公共传输子带上发送指示信息。所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的传输CSS信号的传输子带。相应的，UE接收所述指示信息。通常在临时有大量UE需要接入公共传输子带时，可以增加附加的传输子带传输所述CSS信号，从而用于大量接入UE接收RAR。
可选的，在实际运用中，所述至少两个传输子带中的每个传输子带关联一个预编码。在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。具体的，每个传输子带虽然关联一个预编码，但是随着时间的变化，每个传输子带关联的预编码可能会发生变化。换言之，同一时刻，每个传输子带仅关联一个预编码。
具体的，每个预编码组中可以只包含一个预编码。此时，在同一个时刻，每个传输子带关联的预编码是相同的。由于各个传输子带关联了相同的预编码，所以为实现小区内所有用户的广覆盖，可以采用时分的方式在各个传输子带上发送信号，不同的发送时刻各个传输子带上关联了不同的预编码。举例来说，例如在时刻一，各个传输子带上关联预编码1，在接下来的时刻二和时刻三，各个传输子带上分别关联预编码2和预编码3。由于每个时刻UE可在至少两个传输子带上保持连接，因此同样可以提高信号传输的可靠性。
具体的，通常当每个小区支持的预编码数目较大时，每个预编码组就可以包括两个或两个以上的预编码。然后按照每个预编码组进行时分发送。具体来说，如在时刻1，各个传输子带上关联预编码组1内的一个预编码，而在之后的时刻2，在各个传输子带上关联预编码组2内的一个预编码，依次类推。第一预编码组内的预编码和第二预编码组内的各个预编码可存在交叠，即第一预编码组和第二预编码组内可以有相同的预编码子集。同样的，在每个时刻，UE可在至少两个传输子带上保持连接，因此同样可以提高信号传输的可 靠性。
基于同一发明构思，为增强公共信道如控制信道传输的可靠性，可采用信道分集的方法。具体请参考图3所示，为本发明实施例提供的一种下行控制信息的传输方法的流程图。该方法包括：
步骤301：获得第一下行控制信息和第二下行控制信息；
步骤302：在第一时刻，采用第一预编码，在PDCCH上发送下行控制信息；
步骤303：在所述第一时刻，采用第二预编码，在增强物理下行控制信道(英文：Enhanced Physical Downlink Control Channel，简称：EPDCCH)上发送所述下行控制信息；
可选地，所述第一预编码对应第一模拟波束，所述第二预编码对应第二模拟波束。或所述第一预编码为第一模拟波束，所述第二预编码为第二模拟波束。其中，第一预编码和第二预编码不同或第一模拟波束和第二模拟波束不同。在PDCCH上发送的所述第一下行控制信息和在EPDCCH上发送的所述第二下行控制信息可以相同或不同。当所述两个控制信息相同时，本实施例中的方法通过同时在两个控制信道上传输内容相同的控制信息来提高控制信息的可靠性。
可选的，网络侧设备，例如基站可通过高层信令来触发图3所示的方法的实施。
可选的，网络侧设备，例如基站可在PCFICH中指示当前是否支持两个控制信道的分集传输。
基于同一发明构思，本发明实施例还提供一种数据传输装置，用于实现图1所示方法。如图4所示，该数据传输装置包括：处理单元401，用于为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；发送单元402，用于在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带， 并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；在所述至少两个传输子带上分别发送数据信道信号给所述UE。
可选的，处理单元401用于：根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
可选的，发送单元402在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
可选的，发送单元402还用于：在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
可选的，发送单元402在所述至少两个传输子带上分别发送的参考信号的配置相同。
可选的，处理单元401还用于：在发送单元402在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
发送单元402还用于：在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号。
可选的，发送单元402还用于：在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
可选的，所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
可选的，所述方法单元还用于：在处理单元401为用户设备UE确定S个传输子带之后，发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特 定的或用户特定的。
前述图1所示的实施例中的数据传输方法中的各种变化方式和具体实例同样适用于本实施例的数据传输装置，通过前述对数据传输方法的详细描述，本领域技术人员可以清楚的知道本实施例中数据传输装置的实施方法，所以为了说明书的简洁，在此不再详述。
基于同一发明构思，本发明实施例还提供一种数据传输装置，用于实现图2所示方法。如图5所示，该数据传输装置包括：接收单元501，用于在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；处理单元502，用于对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；控制用户设备UE在所述至少两个传输子带上进行接入；发送单元503，用于在所述至少两个传输子带上发送数据信道信号。
可选的，处理单元502还用于：根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
接收单元501还用于：接收所述S个传输子带的配置信息；处理单元502还用于基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
可选的，发送单元503在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
可选的，接收单元501还用于：在处理单元502控制所述UE在所述至少两个传输子带上进行接入之后，在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
可选的，接收单元501在所述至少两个传输子带上分别接收的参考信号的配置相同。
可选的，接收单元501还用于：在处理单元502控制所述UE在所述至少两个传输子带上进行接入之后，在公共传输子带上同时接收通过至少一个不 同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
可选的，接收单元501还用于：在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
可选的，所述至少两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
前述图2所示的实施例中的数据传输方法中的各种变化方式和具体实例同样适用于本实施例的数据传输装置，通过前述对数据传输方法的详细描述，本领域技术人员可以清楚的知道本实施例中数据传输装置的实施方法，所以为了说明书的简洁，在此不再详述。
基于同一发明构思，本发明实施例还提供一种下行控制信息传输装置，用于实现图3所示方法。如图6所示，该下行控制信息传输装置包括：处理单元601，用于获得第一下行控制信息和第二下行控制信息；发送单元602，用于在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
前述图3所示的实施例中的下行控制信息传输方法中的各种变化方式和具体实例同样适用于本实施例的数据传输装置，通过前述对下行控制信息传输方法的详细描述，本领域技术人员可以清楚的知道本实施例中数据传输装置的实施方法，所以为了说明书的简洁，在此不再详述。
基于同一发明构思，本发明实施例还提供一种网络侧设备，用于实现图1 所示方法。如图7所示，该网络侧设备包括：处理器701、发送器702、接收器703、存储器704。处理器701具体可以是中央处理器、特定应用集成电路(英文：Application Specific Integrated Circuit，简称：ASIC)，可以是一个或多个用于控制程序执行的集成电路，可以是使用现场可编程门阵列(英文：Field Programmable Gate Array，简称：FPGA)开发的硬件电路。存储器704的数量可以是一个或多个。存储器704可以包括只读存储器(英文：Read Only Memory，简称：ROM)、随机存取存储器(英文：Random Access Memory，简称：RAM)和磁盘存储器。这些存储器、接收器703和发送器702通过总线与处理电路701相连接。接收器703和发送器702用于与外部设备进行网络通信，具体可以通过以太网、无线接入网、无线局域网等网络与外部设备进行通信。接收器703和发送器702可以是物理上相互独立的两个元件，也可以是物理上的同一个元件。
具体的，处理器701，用于为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；发送器702，用于在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；在所述至少两个传输子带上分别发送数据信道信号给所述UE。
可选的，处理器701用于：根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
可选的，发送器702在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
可选的，发送器702还用于：在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
可选的，发送器702在所述至少两个传输子带上分别发送的参考信号的 配置相同。
可选的，处理器701还用于：在发送器702在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
发送器702还用于：在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号。
可选的，发送器702还用于：在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
可选的，所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
可选的，发送器702还用于：在处理器701为用户设备UE确定S个传输子带之后，发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
前述图1所示的实施例中的数据传输方法中的各种变化方式和具体实例同样适用于本实施例的网络侧设备，通过前述对数据传输方法的详细描述，本领域技术人员可以清楚的知道本实施例中网络侧设备的实施方法，所以为了说明书的简洁，在此不再详述。
基于同一发明构思，本发明实施例还提供一种用户设备，用于实现图2所示方法。如图8所示，该用户设备包括：处理器801、发送器802、接收器803、存储器804和I/O接口805。处理器801具体可以是中央处理器、特定应用集成电路(英文：Application Specific Integrated Circuit，简称：ASIC)，可以是一个或多个用于控制程序执行的集成电路，可以是使用现场可编程门 阵列(英文：Field Programmable Gate Array，简称：FPGA)开发的硬件电路。存储器804的数量可以是一个或多个。存储器804可以包括只读存储器(英文：Read Only Memory，简称：ROM)、随机存取存储器(英文：Random Access Memory，简称：RAM)和磁盘存储器。这些存储器、接收器803和发送器802通过总线与处理电路801相连接。接收器803和发送器802用于与外部设备进行网络通信，具体可以通过以太网、无线接入网、无线局域网等网络与外部设备进行通信。接收器803和发送器802可以是物理上相互独立的两个元件，也可以是物理上的同一个元件。I/O接口805可以连接鼠标、键盘等外设。
具体的，接收器803，用于在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；处理器801，用于对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；控制用户设备在所述至少两个传输子带上进行接入；发送器802，用于在所述至少两个传输子带上发送数据信道信号。
可选的，处理器801还用于：根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
接收器803还用于：接收所述S个传输子带的配置信息；所述处理器801还用于基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
可选的，发送器802在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
可选的，接收器803还用于：在所述用户设备在所述至少两个传输子带上进行接入之后，在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
可选的，接收器803在所述至少两个传输子带上分别接收的参考信号的配置相同。
可选的，接收器803还用于：在所述用户设备在所述至少两个传输子带上进行接入之后，在公共传输子带上同时接收通过至少一个不同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
可选的，接收器803还用于：在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
可选的，所述至少两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
前述图2所示的实施例中的数据传输方法中的各种变化方式和具体实例同样适用于本实施例的用户设备，通过前述对数据传输方法的详细描述，本领域技术人员可以清楚的知道本实施例中用户设备的实施方法，所以为了说明书的简洁，在此不再详述。
基于同一发明构思，本发明实施例还提供一种网络侧设备，用于实现图2所示方法。如图9所示，该网络侧设备包括：处理器901、发送器902、接收器903、存储器904。处理器901具体可以是中央处理器、特定应用集成电路(英文：Application Specific Integrated Circuit，简称：ASIC)，可以是一个或多个用于控制程序执行的集成电路，可以是使用现场可编程门阵列(英文：Field Programmable Gate Array，简称：FPGA)开发的硬件电路。存储器904的数量可以是一个或多个。存储器904可以包括只读存储器(英文：Read Only Memory，简称：ROM)、随机存取存储器(英文：Random Access Memory，简称：RAM)和磁盘存储器。这些存储器、接收器903和发送器902通过总线与处理电路901相连接。接收器903和发送器902用于与外部设备进行网 络通信，具体可以通过以太网、无线接入网、无线局域网等网络与外部设备进行通信。接收器903和发送器902可以是物理上相互独立的两个元件，也可以是物理上的同一个元件。
具体的，处理器901，用于获得第一下行控制信息和第二下行控制信息；发送器902，用于在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
前述图3所示的实施例中的下行控制信息传输方法中的各种变化方式和具体实例同样适用于本实施例的网络侧设备，通过前述对下行控制信息传输方法的详细描述，本领域技术人员可以清楚的知道本实施例中网络侧设备的实施方法，所以为了说明书的简洁，在此不再详述。
申请实施例中提供的一个或多个技术方案，至少具有如下技术效果或优点：
本发明实施例中，整个系统带宽被拆解成多个互相不重叠的传输子带，UE接入至少两个传输子带，然后UE和网络设备在传输信号时，能够同时在至少两个传输子带上进行传输。因此，本发明实施例中的方法可以增强UE连接和数据传输的可靠性。当该方法应用于对数据传输可靠性要求较高的高频频段时，可以将整个高频频段的带宽拆解成多个互相不重叠的低频传输子带，UE同时接入至少两个传输子带。换言之，本发明实施例中的方法通过在所述至少两个传输子带上保持多个连接的分集传输，能提高高频覆盖受限场景下，UE连接和数据传输的可靠性，降低由于高频下用户的移动和信道变化带来的连接失败概率。进而使得高频频段应用于蜂窝通信的实用性增加。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (54)

  1. 一种数据传输方法，其特征在于，包括：
    为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
    在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；
    在所述至少两个传输子带上分别发送数据信道信号给所述UE。
  2. 如权利要求1所述的方法，其特征在于，所述为用户设备UE确定S个传输子带，包括：
    根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
  3. 如权利要求1所述的方法，其特征在于，
    在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
  4. 如权利要求1至3中任一项所述的方法，其特征在于，在所述S个传输子带上分别发送参考信号之后，所述方法还包括：
    在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
  5. 如权利要求4所述的方法，其特征在于，在所述至少两个传输子带上分别发送的参考信号的配置相同。
  6. 如权利要求1至3中任一项所述的方法，其特征在于，在所述S个传输子带上分别发送参考信号之后，所述方法还包括：
    在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
    在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套 信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号。
  7. 如权利要求6所述的方法，其特征在于，所述方法还包括：
    在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
  8. 如权利要求1至7中任一项所述的方法，其特征在于，
    所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
  9. 如权利要求1至8中任一项所述的方法，其特征在于，在为用户设备UE确定S个传输子带之后，所述方法还包括：
    发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
  10. 一种数据传输方法，其特征在于，包括：
    用户设备UE在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
    所述UE对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；
    所述UE根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；
    所述UE在所述至少两个传输子带上进行接入；
    所述UE在所述至少两个传输子带上发送数据信道信号。
  11. 如权利要求10所述的方法，其特征在于，在所述用户设备UE在S个传输子带上分别接收一个参考信号之前，所述方法还包括：
    根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
    接收所述S个传输子带的配置信息并基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
  12. 如权利要求10所述的方法，其特征在于，所述UE在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
  13. 如权利要求10至12中任一项所述的方法，其特征在于，在所述UE在所述至少两个传输子带上进行接入之后，所述方法还包括：
    所述UE在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
  14. 如权利要求13所述的方法，其特征在于，所述UE在所述至少两个传输子带上分别接收的参考信号的配置相同。
  15. 如权利要求10至12中任一项所述的方法，其特征在于，在所述UE在所述至少两个传输子带上进行接入之后，所述方法还包括：
    所述UE在公共传输子带上同时接收通过至少一个不同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
  16. 如权利要求15所述的方法，其特征在于，在所述UE在所述至少两个传输子带上进行接入之后，所述方法还包括：
    所述UE在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
  17. 如权利要求10至16中任一项所述的方法，其特征在于，所述至少两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传 输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
  18. 一种下行控制信息的传输方法，其特征在于，包括：
    获得第一下行控制信息和第二下行控制信息；
    在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；
    在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
  19. 一种数据传输装置，其特征在于，包括：
    处理单元，用于为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
    发送单元，用于在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；在所述至少两个传输子带上分别发送数据信道信号给所述UE。
  20. 如权利要求19所述的装置，其特征在于，所述处理单元用于：根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
  21. 如权利要求19所述的装置，其特征在于，所述发送单元在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
  22. 如权利要求19至21中任一项所述的装置，其特征在于，所述发送单元还用于：在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
  23. 如权利要求22所述的装置，其特征在于，所述发送单元在所述至少两个传输子带上分别发送的参考信号的配置相同。
  24. 如权利要求19至21中任一项所述的装置，其特征在于，所述处理单元还用于：在所述发送单元在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
    所述发送单元还用于：在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号。
  25. 如权利要求24所述的装置，其特征在于，所述发送单元还用于：在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
  26. 如权利要求19至25中任一项所述的装置，其特征在于，所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
  27. 如权利要求19至25中任一项所述的装置，其特征在于，所述方法单元还用于：在所述处理单元为用户设备UE确定S个传输子带之后，发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
  28. 一种数据传输装置，其特征在于，包括：
    接收单元，用于在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
    处理单元，用于对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；根据信道质量测量的结果选择所述M个传输子带中的至少两个传输子带；控制用户设备UE在所述至少两个传输子带上进行接入；
    发送单元，用于在所述至少两个传输子带上发送数据信道信号。
  29. 如权利要求28所述的装置，其特征在于，所述处理单元还用于：根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
    所述接收单元还用于：接收所述S个传输子带的配置信息；所述处理单元还用于基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
  30. 如权利要求28所述的装置，其特征在于，所述发送单元在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
  31. 如权利要求28至30中任一项所述的装置，其特征在于，所述接收单元还用于：在所述处理单元控制所述UE在所述至少两个传输子带上进行接入之后，在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
  32. 如权利要求31所述的装置，其特征在于，所述接收单元在所述至少两个传输子带上分别接收的参考信号的配置相同。
  33. 如权利要求28至30中任一项所述的装置，其特征在于，所述接收单元还用于：在所述处理单元控制所述UE在所述至少两个传输子带上进行接入之后，在公共传输子带上同时接收通过至少一个不同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
  34. 如权利要求33所述的装置，其特征在于，所述接收单元还用于：在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
  35. 如权利要求28至34中任一项所述的装置，其特征在于，所述至少 两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
  36. 一种下行控制信息的传输装置，其特征在于，包括：
    处理单元，用于获得第一下行控制信息和第二下行控制信息；
    发送单元，用于在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
  37. 一种网络侧设备，其特征在于，包括：
    处理器，用于为用户设备UE确定S个传输子带，其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
    发送器，用于在所述S个传输子带上分别发送参考信号，以使所述UE基于对所述S个传输子带的M个传输子带上的参考信号的信道质量测量，以选择所述M个传输子带中的至少两个传输子带，并在所述至少两个传输子带上分别进行接入；M为大于或等于2且小于或等于S的整数；在所述至少两个传输子带上分别发送数据信道信号给所述UE。
  38. 如权利要求37所述的网络侧设备，其特征在于，所述处理器用于：根据预先定义的信息为所述UE确定S个传输子带，所述预先定义的信息是小区特定的或用户特定的。
  39. 如权利要求37所述的网络侧设备，其特征在于，所述发送器在所述至少两个传输子带上分别发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
  40. 如权利要求37至39中任一项所述的网络侧设备，其特征在于，所述发送器还用于：在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带上分别发送参考信号、同步信号、广播信道BCH信号、控制 信道信号中的至少一个。
  41. 如权利要求40所述的网络侧设备，其特征在于，所述发送器在所述至少两个传输子带上分别发送的参考信号的配置相同。
  42. 如权利要求37至39中任一项所述的网络侧设备，其特征在于，所述处理器还用于：在所述发送器在所述S个传输子带上分别发送参考信号之后，在所述至少两个传输子带中确定一个传输子带作为公共传输子带；
    所述发送器还用于：在所述公共传输子带上通过至少一个不同的模拟波束同时发送至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号。
  43. 如权利要求42所述的网络侧设备，其特征在于，所述发送器还用于：在所述公共传输子带上发送指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
  44. 如权利要求37至43中任一项所述的网络侧设备，其特征在于，所述至少两个传输子带的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
  45. 如权利要求37至44任一项所述的网络侧设备，其特征在于，所述发送器还用于：在所述处理器为用户设备UE确定S个传输子带之后，发送所述S个传输子带的配置信息给所述UE，以使所述UE根据所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
  46. 一种用户设备，其特征在于，包括：
    接收器，用于在S个传输子带上分别接收参考信号；其中，所述S个传输子带两两之间相互不重叠，S为大于等于2的整数；
    处理器，用于对所述S个传输子带中的M个传输子带上的参考信号进行信道质量测量；根据信道质量测量的结果选择所述M个传输子带中的至少两 个传输子带；控制用户设备在所述至少两个传输子带上进行接入；
    发送器，用于在所述至少两个传输子带上发送数据信道信号。
  47. 如权利要求46所述的用户设备，其特征在于，所述处理器还用于：根据预先定义的信息确定所述S个传输子带，所述预先定义的信息是小区特定的或用户特定的；或，
    所述接收器还用于：接收所述S个传输子带的配置信息；所述处理器还用于基于所述配置信息确定所述S个传输子带；其中，所述配置信息是小区特定的或用户特定的。
  48. 如权利要求46所述的用户设备，其特征在于，所述发送器在所述至少两个传输子带上发送的数据信道信号对应同一个混合自动重传请求HARQ进程和相同的传输模式。
  49. 如权利要求46至48中任一项所述的用户设备，其特征在于，所述接收器还用于：在所述用户设备在所述至少两个传输子带上进行接入之后，在所述至少两个传输子带上分别接收参考信号、同步信号、广播信道BCH信号、控制信道信号中的至少一个。
  50. 如权利要求49所述的用户设备，其特征在于，所述接收器在所述至少两个传输子带上分别接收的参考信号的配置相同。
  51. 如权利要求46至48中任一项所述的用户设备，其特征在于，所述接收器还用于：在所述用户设备在所述至少两个传输子带上进行接入之后，在公共传输子带上同时接收通过至少一个不同的模拟波束发送的至少一套信号；每套信号包括参考信号、同步信号、系统信息块SIB、控制信道的公共搜索区间CSS信号中的至少一个信号；其中，所述公共传输子带为所述至少两个传输子带中的一个。
  52. 如权利要求51所述的用户设备，其特征在于，所述接收器还用于：在所述公共传输子带上接收指示信息；所述指示信息用于指示用所述S个传输子带中的其它至少一个传输子带作为附加的用于传输所述CSS信号的传输子带。
  53. 如权利要求46至52中任一项所述的用户设备，其特征在于，所述至少两个传输子带中的每个传输子带关联一个预编码，在第一时刻，所述每个传输子带关联的预编码为第一预编码组中的预编码，在第二时刻，所述每个传输子带关联的预编码为第二预编码组中的预编码；其中，所述第一预编码组中的预编码和所述第二预编码组中的预编码不完全相同。
  54. 一种网络侧设备，其特征在于，包括：
    处理器，用于获得第一下行控制信息和第二下行控制信息；
    发送器，用于在第一时刻，采用第一预编码，在物理下行控制信道PDCCH上发送所述第一下行控制信息；在所述第一时刻，采用第二预编码，在增强物理下行控制信道EPDCCH上发送所述第二下行控制信息；其中，所述第一预编码和所述第二预编码不同。
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EP3300439A1 (en) 2018-03-28
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US20180103483A1 (en) 2018-04-12
CN106664683A (zh) 2017-05-10

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